/*
 * Copyright (C) 2012-2016 Markus Junginger, greenrobot (http://greenrobot.org)
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.greenrobot.eventbus;

import java.lang.annotation.Documented;
import java.lang.annotation.ElementType;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;

@Documented
@Retention(RetentionPolicy.RUNTIME)
@Target({ElementType.METHOD})
public @interface Subscribe {
  ThreadMode threadMode() default ThreadMode.POSTING;

  /**
   * If true, delivers the most recent sticky event (posted with {@link
   * EventBus#postSticky(Object)}) to this subscriber (if event available).
   */
  boolean sticky() default false;

  /**
   * Subscriber priority to influence the order of event delivery. Within the same delivery thread
   * ({@link ThreadMode}), higher priority subscribers will receive events before others with a
   * lower priority. The default priority is 0. Note: the priority does *NOT* affect the order of
   * delivery among subscribers with different {@link ThreadMode}s!
   */
  int priority() default 0;
}
